Add an `actix` feature to provide a nicer error message (#57)

* Add an `actix` feature to provide a nicer error message
for people migrating from <= 0.8

* Fix tests.

* Bump version in readme.

6 files changed, 36 insertions, 10 deletions

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 0a1c937..2f399ca 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,12 +54,22 @@ jobs:
           profile: minimal
           toolchain: stable
       - name: Run test actix4
-        run: cargo test --all-targets --features actix4
+        run: |
+          cargo test --all-targets --features actix4
+          cargo test --doc --features actix4
       - name: Run test actix3
-        run: cargo test --all-targets --features actix3
+        run: |
+          cargo test --all-targets --features actix3
+          cargo test --doc --features actix3
       - name: Run test actix2
-        run: cargo test --all-targets --features actix2
+        run: |
+          cargo test --all-targets --features actix2
+          cargo test --doc --features actix2
       - name: Run test warp
-        run: cargo test --all-targets --features warp
+        run: |
+          cargo test --all-targets --features warp
+          cargo test --doc --features warp
       - name: Run test no feature
-        run: cargo test --all-targets
+        run: |
+          cargo test --all-targets
+          cargo test --doc
diff --git a/Cargo.toml b/Cargo.toml
index 3ca08d4..442970d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,7 @@ license = "MIT/Apache-2.0"
 name = "serde_qs"
 repository = "https://github.com/samscott89/serde_qs"
 readme = "README.md"
-version = "0.8.5"
+version = "0.9.0"
 rust-version = "1.36"
 
 [dependencies]
@@ -35,6 +35,8 @@ default = []
 actix4 = ["actix-web4", "futures"]
 actix3 = ["actix-web3", "futures"]
 actix2 = ["actix-web2", "futures"]
+# deprecated feature -- used to return a warning
+actix = []
 warp = ["futures", "tracing", "warp-framework"]
 
 [package.metadata.docs.rs]
diff --git a/README.md b/README.md
index c60b104..c5cf037 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ This crate works with Cargo and can be found on
 
 ```toml
 [dependencies]
-serde_qs = "0.8"
+serde_qs = "0.9"
 ```
 
 Minimum supported Rust version is 1.36.
diff --git a/src/actix.rs b/src/actix.rs
index a522a68..a185212 100644
--- a/src/actix.rs
+++ b/src/actix.rs
@@ -60,7 +60,7 @@ impl ResponseError for QsError {
 ///
 /// // Use `QsQuery` extractor for query information.
 /// // The correct request for this handler would be `/users?id[]=1124&id[]=88"`
-/// fn filter_users(info: QsQuery<UsersFilter>) -> HttpResponse {
+/// async fn filter_users(info: QsQuery<UsersFilter>) -> HttpResponse {
 ///     HttpResponse::Ok().body(
 ///         info.id.iter().map(|i| i.to_string()).collect::<Vec<String>>().join(", ")
 ///     )
@@ -164,7 +164,7 @@ where
 /// }
 ///
 /// /// deserialize `Info` from request's querystring
-/// fn index(info: QsQuery<Info>) -> HttpResponse {
+/// async fn index(info: QsQuery<Info>) -> HttpResponse {
 ///     HttpResponse::Ok().body(
 ///         format!("Welcome {}!", info.username)
 ///     )
@@ -184,7 +184,6 @@ where
 ///     );
 /// }
 /// ```
-
 pub struct QsQueryConfig {
     ehandler: Option<Arc<dyn Fn(QsError, &HttpRequest) -> ActixError + Send + Sync>>,
     qs_config: QsConfig,
diff --git a/src/lib.rs b/src/lib.rs
index dd97095..803b401 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -174,6 +174,19 @@ extern crate serde;
 
 #[cfg(any(feature = "actix4", feature = "actix3", feature = "actix2"))]
 pub mod actix;
+
+#[cfg(feature = "actix")]
+compile_error!(
+    r#"The `actix` feature was removed in v0.9 due to the proliferation of actix versions.
+You must now specify the desired actix version by number.
+
+E.g.
+
+serde_qs = { version = "0.9", features = ["actix4"] }
+
+"#
+);
+
 mod de;
 mod error;
 mod ser;
diff --git a/tests/test_actix.rs b/tests/test_actix.rs
index 5159977..792afb2 100644
--- a/tests/test_actix.rs
+++ b/tests/test_actix.rs
@@ -1,5 +1,7 @@
 #![cfg(any(feature = "actix4", feature = "actix3", feature = "actix2"))]
 
+#[cfg(feature = "actix2")]
+extern crate actix_web2 as actix_web;
 #[cfg(feature = "actix3")]
 extern crate actix_web3 as actix_web;
 #[cfg(feature = "actix4")]